Hot rolled Reinforcing Steel rebar 6-12m

Hot rolled Reinforcing Steel rebar 6-12m

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 17497 m.t./month

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Specification

Standard:

AISI,EN

Technique:

Hot Rolled

Shape:

U Channel

Surface Treatment:

Dry

Steel Grade:

Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400

Certification:

ISO

Thickness:

6-40mm

Length:

6M/12M

Net Weight:

1-2.5MT

Rebar has ridges that bind it mechanically to the concrete with friction, it can still be pulled out of the concrete

under high stresses, an occurrence that often precedes a larger-scale collapse of the structure. To prevent such

a failure, rebar is either deeply embedded into adjacent structural members, or bent and hooked at the ends to lock

it around the concrete and other rebars. This first approach increases the friction locking the bar into place while the

second makes use of the high compressive strength of concrete.

Product Description :

Chemical composition (%):	Steel		C		Si	Mn		P	S		Ceq
	HRB335		0.25		0.80	1.60		0.045	0.045		0.52
	HRB400										0.54
	HRB500										0.55
Mechanical properties	Steel	Rel/ MPa		Rm/ MPa			A/ %			Agt/ %
		≥
	HRB335	335		455			17			7.5
	HRB400	400		540			16
	HRB500	500		630			15
Package:	Standard export packing or as customer's request
Application:	Construction, building, bridge, road. ect
Payment terms	1).100% irrevocable L/C at sight. 2).30% T/T prepaid and the balance against the copy of B/L. 3).30% T/T prepaid and the balance against L/C
Delivery time	15-30 days after receipt of L/C or deposit by T/T

Hot rolled Reinforcing Steel rebar 6-12m

Features

1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.

Packing:

In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.

Hot rolled Reinforcing Steel rebar 6-12m

FAQ:

1.Q: What's your MOQ(minimum order quantity)?

A: One full container, mixed acceptable .

2. Q: What's your packing methods?

A: Packed in bundle or bulk ..

3. Q: How can I buy CNBM products in my country?

A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country

4. Q: Can we visit your factory?

A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

5. Q: How long does it take to get the product if i place an order?

A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations

Q:Can steel rebars be used in the construction of offshore platforms?: Yes, steel rebars can be used in the construction of offshore platforms. Steel rebars are commonly used as reinforcement in concrete structures, providing strength and stability. In the construction of offshore platforms, where durability and resistance to harsh environmental conditions are crucial, steel rebars are often preferred due to their high tensile strength, corrosion resistance, and ability to withstand extreme loads and pressures.

Q:How are steel rebars connected to each other during construction?: Steel rebars are connected to each other during construction using various methods such as overlapping, welding, or mechanical couplers.

Q:What are the different types of tests conducted on steel rebars for quality assurance?: There are several types of tests conducted on steel rebars for quality assurance. Some common tests include tensile testing, bend testing, impact testing, hardness testing, and chemical composition analysis. These tests help ensure that the rebars meet the required mechanical properties, dimensional tolerances, and chemical composition standards, ensuring their quality and suitability for various construction applications.

Q:What is the purpose of using steel rebars in construction?: The purpose of using steel rebars in construction is to provide reinforcement and strength to concrete structures. Steel rebars enhance the structural integrity of buildings, bridges, and other constructions by improving their resistance to tension forces, preventing cracks, and enhancing overall durability.

Q:How do steel rebars affect the overall constructability of concrete structures?: Concrete structures are greatly influenced by steel rebars, which are also known as reinforcing bars. These rebars are embedded in the concrete to enhance its strength and structural integrity, as well as resist tensile forces. The impact of rebars on constructability is significant, primarily by increasing the load-bearing capacity of concrete structures. By reinforcing the concrete, rebars help distribute loads evenly, reducing the risk of structural failure. This enables the construction of taller, larger, and more complex concrete structures that can safely support heavier loads. Furthermore, rebars improve the durability and longevity of concrete structures. Concrete is strong in compression but weak in tension, making it prone to cracking under tensile stress. Steel rebars counter this weakness by absorbing and distributing tensile forces, preventing cracks and enhancing the overall durability of the structure. From a constructability perspective, rebars simplify the construction process by enabling efficient and precise concrete placement. Rebar cages are assembled before pouring concrete, acting as frameworks that provide support and reinforcement. This streamlines construction, reducing the likelihood of errors and rework. In addition, rebars enhance the constructability of concrete structures by allowing flexibility in design. Engineers can strategically position and shape rebars to create complex structural elements with specific load-bearing capabilities, such as beams, columns, and slabs. This promotes architectural creativity while ensuring structural integrity. However, it is crucial to note that incorrect placement or insufficient amount of rebars can have detrimental effects on constructability and overall performance. Inadequate reinforcement can lead to structural weaknesses, increased vulnerability to seismic activity, and reduced resistance to environmental factors like corrosion. Therefore, proper design and installation of rebars, following structural engineering standards and codes, are essential to ensure optimal constructability and long-term functionality of concrete structures.

Q:What is the quality difference between round bar and screw steel?: Physical and mechanical properties are different. Because of the different chemical composition and strength of reinforcing steel, they are different in physical and mechanical properties. The cold bending property of steel is good, can make the hook 180, screw steel can only make straight hook 90 degrees; steel weldability is good, with ordinary carbon steel electrode can be used to low alloy electrode; anti fatigue performance and toughness in steel bar is good.

Q:Can steel rebars be used in offshore oil and gas platform construction?: Yes, steel rebars can be used in offshore oil and gas platform construction. They are commonly used to reinforce concrete structures in these platforms, providing strength and durability to withstand the harsh marine environment.

Q:How can the quality of steel rebars be tested?: To ensure the strength and reliability of steel rebars, there are various methods available for testing their quality. Some commonly used techniques include: 1. Conducting a visual inspection to identify any visible defects like surface cracks, unevenness, or corrosion that may impact performance. 2. Analyzing the chemical composition of the rebars through spectroscopy or similar methods to ensure compliance with required standards. This analysis verifies the presence and percentage of elements such as carbon, manganese, and silicon. 3. Testing the rebars' tensile strength by subjecting a sample to tension until it fractures. The maximum force applied before breaking determines the tensile strength and helps identify weak spots or inconsistencies. 4. Evaluating the ductility of rebars through a bend test, bending them to a specific angle without any signs of cracking or fracture. This ensures the rebars can withstand bending and shaping during construction without compromising their structural integrity. 5. Using ultrasonic testing to detect internal flaws or defects within the rebars. This non-destructive method helps identify hidden cracks, voids, or inclusions that could weaken the rebars. 6. Determining the hardness of the rebars using the Rockwell or Brinell hardness test. This test measures the resistance of the rebar's surface to indentation, providing insight into its strength. 7. Subjecting the rebars to corrosion resistance testing, such as salt spray testing or electrochemical methods, to assess their resistance against rust and other types of corrosion. By combining these testing methods, manufacturers, construction companies, and engineers can ensure that steel rebars meet the required quality standards and can withstand the intended load and environmental conditions.

Q:Can steel rebars be used in pre-tensioned or post-tensioned structures?: Steel rebars can be used in both pre-tensioned and post-tensioned structures. In pre-tensioned structures, rebars are pre-stressed before the concrete is poured, while in post-tensioned structures, rebars are stressed after the concrete has hardened. The use of steel rebars provides strength and reinforcement to the structures, making them suitable for both pre-tensioned and post-tensioned applications.

Q:How are steel rebars used in retaining walls?: Steel rebars are commonly used in retaining walls to provide additional strength and reinforcement. They are typically placed horizontally within the concrete structure to prevent cracking and improve the wall's structural integrity. The rebars help distribute the load and resist the pressure exerted by the retained soil, ensuring the stability and durability of the retaining wall.

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